{"schema":"threatline.record/2","record":{"id":"CVE-2026-111231","aliases":[],"summary":"Netgate pfSense CE through 2.9.0 Authorization Bypass via config_restore() and config_install()","details":"Netgate pfSense CE through 2.9.0 contains an authorization bypass vulnerability that allows read-only WebGUI users to replace config.xml because config_restore() and config_install() ignore the 'User - Config: Deny Config Write' privilege. Attackers holding page privileges for services_acb.php, uploadconfig.php, diag_confbak.php, or diag_backup.php can install a chosen config.xml to gain root-level code execution after reload or reboot.","categories":["Unclassified"],"product":"pfSense CE","vendor":"Netgate","ecosystem":null,"affected_ranges":[{"source":"CVE List","source_url":"https://www.cve.org/CVERecord?id=CVE-2026-111231","source_modified_at":"2026-10-15T18:46:31.461Z","fetched_at":"2026-10-23T18:48:36.087640Z","product":"pfSense CE","vendor":"Netgate","versions":[{"version":"0","lessThanOrEqual":"2.9.0","status":"affected","versionType":"semver"}],"defaultStatus":"unaffected"}],"fixed_versions":[],"cvss":8.6,"severity":"High","kev":{"listed":false},"epss":{"probability":0.00825,"percentile":0.56989,"score_date":"2026-10-23"},"published_at":"2026-10-15T18:46:31.461Z","modified_at":"2026-10-15T18:46:31.461Z","provenance":[{"source":"CVE List","url":"https://www.cve.org/CVERecord?id=CVE-2026-111231","fetched_at":"2026-10-23T18:48:36.087640Z","source_modified_at":"2026-10-15T18:46:31.461Z"},{"source":"EPSS","url":"https://api.first.org/data/v1/epss?cve=CVE-2026-111231","fetched_at":"2026-10-23T18:42:43.628194Z","source_modified_at":"2026-10-23"}],"sources":["CVE List","EPSS"],"references":[{"source":"CVE List","url":"https://github.com/abraxas/pfsense-config-readonly-restore","tags":["exploit","technical-description"]},{"source":"CVE List","url":"https://abraxaslabs.tech/research/pfsense-ce-leftovers","tags":["technical-description"]},{"source":"CVE List","url":"https://github.com/pfsense/pfsense/blob/9363ac5b8651a1c7a333180425ce7719070f95f9/src/etc/inc/config.lib.inc#L743-L798","tags":["technical-description"]},{"source":"CVE List","url":"https://github.com/pfsense/pfsense/blob/9363ac5b8651a1c7a333180425ce7719070f95f9/src/etc/inc/config.lib.inc#L588-L597","tags":["technical-description"]},{"source":"CVE List","url":"https://www.vulncheck.com/advisories/netgate-pfsense-ce-through-2.9.0-authorization-bypass-via-config-restore-and-config-install","tags":["third-party-advisory"]}],"locations":[],"motoko_assessment":{"status":"requires_architecture_review","automatic_remediation":false},"cve_state":"PUBLISHED","cvss_source":"CVE List","classification":{"method":"product-first software-layer rules","rules_version":"2.1","matched_on":null,"confidence":"unknown","reviewed":false},"change_timestamp":"2026-10-15T18:46:31.461Z","content_hash":"5547c8509c2ed37139748a206b7f3673e94786e6629ec5c55cfaee23e9f0a92c"}}